In his photo series "No Vacancy," German photographer Dietmar Eckell traveled around the world to document abandoned hotels in the middle of nowhere. Once, these hotels were luxury retreats, pleasure domes or wellness sanctuaries - but for one reason or another, they have all been abandoned for nature to reclaim.

The photo above is of the "Hotel Royal," an infamous love hotel in Kanagawa, Japan. The hotel boasted seven stories and 35 rooms with a view of Lake Sagami. At first, the remote place seemed ideal for wayward married men and women to conduct illicit love affairs, but at the end it was just too far away (either that or love birds just really didn't care for the view).

An abandoned resort on the Tagaytay ridge in the Philippines. It was once billed as a weekend escape from Manila, but has been abandoned for decades.

Abandoned hotel in the Mariveles peninsula, the Philippines

A hotel project in Saipan, built by Korean investor and never finished.

This abandoned resort in the Philippines is now used by local farmers to give
their cows a little R&R.

An abandoned ex-diplomat hotel on a hill top in Baguio, the Philippines. It was originally built as a school by the Dominican order.

An abandoned hotel in Saipan, one of several, that did not survive when
major airlines stopped regular service to the island during economic crisis in the 90s.